$ git clone -n https://src.fedoraproject.org/rpms/aesfix.git /var/lib/mock/f38-build-side-42-init-devel-1086226-30026/root/chroot_tmpdir/scmroot/aesfix
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1086226-30026/root/chroot_tmpdir/scmroot/aesfix'...
$ git fetch origin edfc0e5161d99933014c07039c6aca8626bdfc01:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aesfix
 * [new ref]         edfc0e5161d99933014c07039c6aca8626bdfc01 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at edfc0e5 Added the README